On the unitary invariance of the numerical radius.
Filippenko, Ivan ; Marcus, Marvin
Pacific J. Math., Tome 79 (1978) no. 2, p. 383-395 / Harvested from Project Euclid
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Publié le : 1978-05-14
Classification:  15A15 
@article{1103121471,
     author = {Filippenko, Ivan and Marcus, Marvin},
     title = {On the unitary invariance of the numerical radius.},
     journal = {Pacific J. Math.},
     volume = {79},
     number = {2},
     year = {1978},
     pages = { 383-395},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1103121471}
}

Filippenko, Ivan; Marcus, Marvin. On the unitary invariance of the numerical radius.. Pacific J. Math., Tome 79 (1978) no. 2, pp.  383-395. http://gdmltest.u-ga.fr/item/1103121471/